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Moderate

Oxocarbon

APCHEM-NXJML8

Substance Y is an oxocarbon, composed of carbon and oxygen. Mass data was collected showing that 0.39 g of carbon atoms react with 1.00 g of oxygen atoms to form Substance Y.

Which of the following is Substance Y?

A

Carbon monoxide.

B

Carbon dioxide.

C

Carbonate ion.

D

Tricarbon dioxide.